在平面直角坐标系中，从六个点：A(0,0)、B(2,0)、C(1,1)、D(0,2)、E(2,2)、F(3,3)中任取三个，则这三点能构成三角形的概率是________．(结果用分数表示)
2012年，19个省市对口援疆资金总规模超过100亿元。同时，通过转移支付、专项资金等渠道，中央投入资金规模将数倍于对口援疆资金规模。目标是通过
Salem, the “City of Peace”, is a small city with a big history. It is the second established city in Massachusetts and the second oldest settlement in New England. While Salem has been long known
Riding a London subway, a person from other countries will notice one major difference: in London, people do not look at each other．In fact, eye contact is avoided at all times. That’s not rude
下列关于细胞内ATP的叙述中，正确的是 A．每个ATP分子含有3个高能磷酸键 B．每个ATP分子含有2个磷酸基团 C．ATP直接为细胞的生命活动提
上海世博会中国馆推出A、B、C三种特价玩具，若购买A 种2件，B种1件，C种3件共需23元，若购买A种1件，B种4件，C种5件共需36元，那么小明买A种1件，B种2
（满分10分）阅读题例，解答下题：例 解方程解：（1）当，即时 （2）当，即时
Most Americans believe that someone isn’t grown-up until the age of 26 and they should complete their education, have a full-time job, have a family to support and be financially independent. They
过椭圆
的左焦点F，且与椭圆相交于P、Q两点，M为PQ的中点，O为原点．若△FMO是以OF为底边的等腰三角形，则直线l的方程为 ．
